Lennox CBX32MV - Series Communicating Units: Maintenance

Outdoor Unit

• Outdoor unit fan motor is pre-lubricated and sealed. No further lubrication is needed.

• Visually inspect all connecting lines, joints and coils for evidence of oil leaks.

• Check all wiring for loose connections.

• Check for correct voltage at unit (unit operating).

• Check amp draw on outdoor fan motor.

• Inspect drain holes in coil compartment base and clean if necessary.

Indoor Unit

• Clean or change filters.

• Lennox blower motors are pre-lubricated and permanently sealed. No more lubrication is needed.

• Adjust blower speed for cooling. Measure the pressure drop over the coil to determine the correct blower CFM. Refer to the unit information service manual for pressure drop tables and procedure.

• Belt Drive Blowers - Check belt for wear and proper tension.

• Check all wiring for loose connections.

• Check for correct voltage at unit. (blower operating)

• Check amp draw on blower motor.

Indoor Coil

• Clean coil if necessary.

• Check connecting lines, joints and coil for evidence of oil leaks.

• Check condensate line and clean if necessary.

The outdoor unit must be properly maintained to ensure its proper operation.

• Please contact your dealer to schedule proper inspection and maintenance for your equipment.

• Make sure no obstructions restrict airflow to the outdoor unit.

• Grass clippings, leaves, or shrubs crowding the unit can cause the unit to work harder and use more energy.

• Keep shrubbery trimmed away from the unit and periodically check for debris which collects around the unit.